Tutorial: Deploy Yii on Vultr?

9 minutes read

In this tutorial, we will guide you on how to deploy a Yii application on Vultr. Vultr is a cloud infrastructure provider that offers scalable and high-performance cloud servers.


Here are the steps to deploy Yii on Vultr:

  1. Sign up for an account on Vultr's website and log in.
  2. After logging in, click on the "+" icon to create a new server.
  3. Choose a server location that is closest to your target audience and select your preferred server type.
  4. Scroll down and select an operating system. You can choose from various Linux distributions, such as Ubuntu, CentOS, or Debian, depending on your preference.
  5. Select the server size based on your application's requirements. Vultr offers a range of server sizes with different CPU, RAM, and storage options.
  6. You can leave the other settings as default or customize them based on your needs.
  7. Give your server a hostname and click on "Deploy Now" to create the server.
  8. Once the server is created, you will receive an email with the server login details, including the IP address, username, and password.
  9. Use an SSH client (e.g., PuTTY on Windows or Terminal on macOS/Linux) to connect to your server using the provided IP address, username, and password.
  10. Update the server's packages by running the following command: sudo apt update
  11. Install the required dependencies for Yii, such as PHP, MySQL, and any other necessary PHP extensions using the package manager, for example: sudo apt install php-fpm php-mysql
  12. Download and install Composer, a dependency manager for PHP: sudo php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" sudo php composer-setup.php --install-dir=/usr/local/bin --filename=composer
  13. Create a new directory for your Yii application, navigate to it, and use Composer to install Yii: mkdir yiidemo cd yiidemo composer require yiisoft/yii2-app-basic
  14. Configure your application by editing the config/web.php file with your database connection details and other configurations.
  15. Run the Yii migration command to create the necessary database tables: php yii migrate
  16. Configure your web server (e.g., Nginx or Apache) to serve your Yii application. You may need to create a virtual host configuration file pointing to your application's web root.
  17. Restart your web server for the changes to take effect.
  18. Finally, access your Yii application by entering your server's IP address in a web browser.


That's it! You have successfully deployed a Yii application on Vultr. You can now develop and host your Yii-based web application with ease using Vultr's cloud infrastructure.

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How to configure Yii caching with Redis on Vultr?

To configure Yii caching with Redis on Vultr, you can follow these steps:

  1. Set up Redis on your Vultr server: Create a Vultr server instance and log in to it. Install Redis by running the following commands: sudo apt update sudo apt install redis-server
  2. Configure Redis to be accessible from remote connections (optional): By default, Redis only listens on the local interface. If you want to access Redis from your Yii application running on a remote server, you need to modify its configuration file. Open the Redis configuration file using a text editor: sudo nano /etc/redis/redis.conf Find the line that starts with bind and change its value to bind 0.0.0.0 (to listen on all network interfaces) or the specific IP address you want to allow connections from. Save the file and exit the text editor. Restart the Redis service to apply the changes: sudo systemctl restart redis-server
  3. Update Yii application configuration: Open the Yii application's configuration file located at protected/config/main.php. Find the 'cache' component configuration and update it to use Redis. It should look similar to this: 'cache' => array( 'class' => 'system.caching.CRedisCache', 'hostname' => 'YOUR_REDIS_HOSTNAME_OR_IP', 'port' => YOUR_REDIS_PORT, 'database' => YOUR_REDIS_DATABASE_NUMBER, 'keyPrefix' => 'YOUR_REDIS_PREFIX', ), Replace 'YOUR_REDIS_HOSTNAME_OR_IP', YOUR_REDIS_PORT, YOUR_REDIS_DATABASE_NUMBER, and 'YOUR_REDIS_PREFIX' with the appropriate values for your Redis setup. Save the file.
  4. Verify the configuration: To test if Yii is using Redis for caching, you can enable logging in Yii. Open the protected/config/main.php file again and add the following configuration: 'log' => array( 'class' => 'CLogRouter', 'routes' => array( array( 'class' => 'CFileLogRoute', 'logFile' => 'application.log', 'levels' => 'error, warning', ), array( 'class' => 'CWebLogRoute', 'levels' => 'info', 'categories' => 'system.caching.CCache', 'showInFireBug' => true, ), ), ), Save the file. Load your Yii application in a browser or trigger a request to it. Check the application log file protected/runtime/application.log after the request. Look for log entries related to caching, such as cache hits and misses. If you see log entries like system.caching.CCache: Cache hit ..., it means the caching with Redis is working.


That's it! You have now configured Yii caching with Redis on Vultr.


What are the backup strategies for Yii deployment on Vultr?

There are several backup strategies you can implement when deploying Yii on Vultr:

  1. Regular Server Snapshots: Vultr provides a feature called "Server Snapshots" which allows you to take a snapshot of your entire server. This includes both the operating system and your Yii application. You can schedule regular snapshots to be taken to ensure you have a backup of your entire server.
  2. Database Backups: Yii applications typically rely on a database to store data. It's important to regularly backup your database to prevent data loss. You can use tools like mysqldump or pg_dump to backup your MySQL or PostgreSQL databases respectively.
  3. File System Backup: In addition to backing up your database, you should also backup your application's file system. This includes the Yii framework files, any uploaded files, and any customized configurations. You can use tools like rsync or scp to synchronize your application's files to another location for backup purposes.
  4. Version Control: Yii applications are often developed using version control systems like Git. By regularly committing and pushing your changes to a remote Git repository, you ensure that your code is backed up and can be easily restored if needed.
  5. Offsite Backups: While Vultr provides server snapshots for backup, it's always a good idea to have an offsite backup in case of disaster or datacenter issues. You can use third-party backup services or cloud storage providers to store your backups securely offsite.


It's important to regularly test your backups to ensure they are valid and can be restored successfully. Additionally, consider implementing automated backup procedures using scripts or cron jobs to make the backup process more efficient and reliable.


How to install and configure MySQL for Yii deployment on Vultr?

To install and configure MySQL for Yii deployment on Vultr, follow these steps:

  1. Create a Vultr server: Login to your Vultr account and create a new server with your desired specifications (such as server location, operating system, and size).
  2. Connect to your server: Once the server is created, you will receive an email with the server details, including the IP address and login credentials. Use any SSH client (such as PuTTY for Windows or Terminal for macOS) to connect to your server.
  3. Update the system: Run the following command to update the system packages on your server: sudo apt update sudo apt upgrade
  4. Install MySQL: Run the following command to install MySQL: sudo apt install mysql-server
  5. Configure MySQL: During installation, you'll be prompted to set a root password for MySQL. Choose a strong password and remember it as you'll need it for further configuration.
  6. Secure MySQL installation: Run the following command to secure your MySQL installation: sudo mysql_secure_installation Follow the prompts to answer the questions. It is recommended to say 'Y' (Yes) to all prompts for better security.
  7. Configure MySQL to allow remote connections: By default, MySQL only allows connections from the localhost. To allow remote connections, edit the MySQL configuration file: sudo nano /etc/mysql/mysql.conf.d/mysqld.cnf
  8. Find the line that starts with bind-address and change its value to the server's IP address (or 0.0.0.0 to listen on all available IP addresses): bind-address = 0.0.0.0
  9. Save the changes and exit the editor.
  10. Restart MySQL service: sudo systemctl restart mysql
  11. Allow MySQL through the firewall: If you have a firewall enabled on your server, you need to allow MySQL connections. Run these commands to open the default MySQL port (3306): sudo ufw allow mysql sudo ufw enable
  12. Test MySQL connection: Run the following command to test if you can connect to the MySQL server from your local machine: mysql -u root -p
  13. If you can successfully connect, you have installed and configured MySQL on your Vultr server for Yii deployment.


Remember to properly configure your Yii application's database settings to connect to the MySQL server using the appropriate host, username, password, and database name.

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